package com.yuyu.qingmangmall.order.web;

import com.yuyu.common.exception.NotStockException;
import com.yuyu.qingmangmall.order.service.OrderService;
import com.yuyu.qingmangmall.order.vo.OrderConfirmVo;
import com.yuyu.qingmangmall.order.vo.OrderSubmitVo;
import com.yuyu.qingmangmall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

@Controller
public class OrderWebController {

    @Autowired
    OrderService orderService;

    @GetMapping("/toTrade")
    public String toTrade(@RequestParam(required = false,value = "msgCode") Integer msgCode,
                          Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo confirmVo = orderService.orderConfirm();

        model.addAttribute("orderConfirmData",confirmVo);

        if (msgCode!=null){
            String msg = "下单失败：";
            switch (msgCode){
                case 1: msg+="订单信息过期，请刷新再次提交"; break;
                case 2: msg+="订单商品价格发生变化，请确认后再次提交"; break;
                case 3: msg+="库存锁定失败，商品库存不足"; break;
                case 4: msg+="提交订单失败，请重试"; break;
            }
            model.addAttribute("msg",msg);
        }

        // 展示订单确认的数据
        return "confirm";
    }

    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes attributes){

        // 下单，去创建订单，验令牌，验价格，锁库存
        // 下单成功来支付选择页
        // 下单失败回到订单确认页重新确认订单的信息


        try {
            SubmitOrderResponseVo submitOrderResponseVo = orderService.submitOrder(vo);
            System.out.println("订单提交的数据"+vo);
            if (submitOrderResponseVo.getCode()!=0){
                // 有错误
                String msg = "下单失败：";
                switch (submitOrderResponseVo.getCode()){
                    case 1: msg+="订单信息过期，请刷新再次提交"; break;
                    case 2: msg+="订单商品价格发生变化，请确认后再次提交"; break;
                    case 3: msg+="库存锁定失败，商品库存不足"; break;
                }
//            attributes.addFlashAttribute("msg",msg);
                System.out.println(msg);
                return "redirect:http://order.qingmangmall.com/toTrade?msgCode="+submitOrderResponseVo.getCode();

            }else {
                //
                model.addAttribute("submitOrderResp",submitOrderResponseVo);
                return "pay";
            }
        } catch (Exception e){
            if (e instanceof NotStockException){
                String message =((NotStockException)e).getMessage(); // ???
//                attributes.addAttribute("msg",message);
            }
        }
        return "redirect:http://order.qingmangmall.com/toTrade?msgCode="+4;
    }
}
